2003-2006 Yamaha Snowmobile RX1 Service Manual, Page 64Get this manual

2003-2006 Yamaha Snowmobile RX1 Service Manual, Page 64

BATTERY INSPECTION Charging method using constant voltage charger Measure the open-circuit voltage prior to charging INSP
the battery until the battery's charging voltage is 15 V This type of battery charger cannot charge the MF batteryA variable
voltage charger is recommended NOTE: Set the charging time at 20 hours (maximum) Measure the battery open-circuit voltage